Free Surgical Technology Practice Questions for the CST Exam

surg tech questions

Preparing to become a CST? Get ready for your exam with a some free sample Surgical Tech practice questions from the BoardVitals Surgical Technology question bank.

Sample Surgical Technology Practice Questions

Question 1. Anatomy and Physiology

The number of pairs of spinal nerves is:

A. 12
B. 28
C. 30
D. 31

Answer & Explanation:

Answer: D. 31

There are 31 pairs of spinal nerves. Each nerve is attached to the spinal cord by two roots, the dorsal root and the ventral root. By pairs there are 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal.

Reference: (Tortora and Grabowski). Lange Q&A: Surgical Technology Examination, Sixth Edition, McGraw Hill Medical; 2013

Question 2. Anatomy and Physiology

Blood gas analysis is called:

B. SAT rate

Answer & Explanation

Answer: C. ABG

Arterial blood gas (ABG) assesses the oxygen and carbon dioxide in arterial blood, measured by various methods to assess the adequacy of ventilation and oxygenation and the acid-base status.

Reference: (Mosby’s Medical, Nursing, and Allied Health Dictionary, 5th ed.). Lange Q&A: Surgical Technology Examination, Sixth Edition, McGraw Hill Medical; 2013

Board Vitals Surgical Tech Practice Question Bank has hundreds of questions targeted to the NBSTSA Surgical Technology (CST) exam. We’ve got a 100% Pass Guarantee and questions are updated frequently. Start a free trial now to prepare for your surgical tech exam.

The writing staff at BoardVitals is passionate about medicine, healthcare, and education. We’ve trained over 1.5 million physicians and work with more than 300 top teaching institutions. Learn more about our board review and continuing education products at

Try BoardVitals free for 10 days.

Free Trial. No credit card required.